ebeeman



` 2 Sheets-Sheet 1.- Ls. IEBERMAN. v

(Model.)

INJ'BGTOR.

A ffomey NQ. 288,039. Patented ov. 6, 1883.

N. PECES. Pnnlnltmgraplm. wwwrun D. c,

To all whom it may concern.-

` tion, in connection with the accompanying l the combined by-pass valve and injector-1102;-

full, clear, and exact description of the inven- ATnN-r trios..

ALBERT S. EBEE-MAX, OF SANDYA LAKE, PENNSYLVANIA.

iNJEoToR.

SPECIFICATION forming part of, Letters Patent No. 88,039, dated November 6, 1883.

` Application tiled August 2, 1883. (Model.)

Be it known that I, ALBERT S. EBERMAN, of Sandy Lake, in the county oi Mercer and State `oi' Pennsylvania, have invented certain new and useful Improvements in Injectors; and l do hereby declare the following to be a tion, such as will enable others'skilled in the art to which it appertains to make and use the Same.

My invention relates to injectors for supplying feed-water to steam-boilers, its object being to simplify the construction of this class of devices, to give a positive action to the several valves, to enable all the valves to be operated simultaneously and properly by lmanipulation of the main-valve stem, thus' obviating the necessity oi' separately adjusting dii'- ferent valves, and to generally promote etilciency and economy of constru ction in this class of devices forsupplying feed-water. V Vith these objects in 'view the invention consists in certain novel constructions and arrangements of valves and steam and water passages, and' in a novel construction of valve-casing, all'` of which will be fully. `understood i'rointhe following particular descripdrawings, in which- Figure l is aside elevation of my improved injector. Fig.' 2 is a front view of the same. Fig. 3 is a vertical section on line .fr .fr of Fig. 2. Fig. Al is a detached perspective view* of zle or combining-tube.- Fig. 5 is a-vertical view of the lower portion of the apparatus, illustrating a modified construction of the injector-nozzle and `by-pass valve. 1

v Referring to Figari, 2, andl 3, the letter A indicates the main shell or casing, having on oneside, at the top, abra-noli, B, for` connection with a steam-pipe, and on the opposite side a projection, A', in which are formed steamand waterpassages C and D, and from which `projects a branch, E, for connection with a water-supply pipe, which may lead from a well, tank, or other suitable water-source. The branch E connects with the steam-passage C through a steam-jet nipple, F, above, and

`ner'surface of the casing.

with the water-passage D through a nozzle, G,

below said branch, this nipple and nozzle being screwed into seats formed for them in such position that their bores are at right angles to the branch. At the top of the projection A is formed an opening, through which the nipple F and nozzle G may be passed for placing them in or removing them from their proper positions, this opening beingnormally closed by a screw-plug, a. At the top of the main portion of the casing A is an opening, in which is screwed an internally-threadedsleeve, h, in

.which is fitted a correspondingly-threaded main-valve stem, H', which carries at its lower end a valve, H, which is arranged to control a passage, i, which connects the steam-supply branch B with the interior of the casing A and with the passage C.- Around this passage i is formed a seat, Il', for said valve. Through the .center of valveH and intol its stem is formed a socket or chamber, K, in the lower portion of which is screwed a centrally-bored split plug, K, through which is loosely arranged the upper portion of a stem, Z, which is provided at its top with a head to keep it from falling through the plug, and carries at its lower end a valve, L, which is arranged to iit a seat, l', formed for it in the main casing,

iat the lower side oi' the intersection of the passage C.

Directly under the valve-seat Z is arranged a steam-nozzle, M, the lower end of which projects. partially across the inner opening. of the passage D.

immediately below the steam-nozzle M is arranged a sliding combined injector'or discharge nozzle or combining-tube, N, and bypass kvalve N', which is a centrally-bored cylvinder or stem having radial guide-wings u, the

edges of which have bearings against the inthestem is enlarged to form avalvc, N', which is arranged to t a seat formed for itat the lower end of the main casing, and at its upper end the stein and its bore are expanded,

At its lower end 9o as shown at N`, so that the upper end of the 95 bore is larger in diameter than thelower end of the steam-nozzle M, this expanded'portion of the hollow stem or injector discharge-nozzle standing above the center of the water-passage D, and close to the steam-nozzle.

IOO

Q, is secured to the lower end yof the main-cas,

ing A, and between the valve and the loop O- is a short spiral spring, o2, which surrounds the stem o.

On one side of .the partition -pthecasingfA -is provided withI an overfiow-outlet,1andon the other side with. aV lbranch or .union nozzle," Sj for connectionwith a-feed-pipe. ThefstemPt ofI the. valve' P. passesl .downward through af bushing, T, which isA screwed into the lower side of .the globe A2,:and`at :its .lower end; the said` stem. carries a cross-bar, V, vthe ends :of

` which, byimeans ofadjustable.- rods-ao, are

connected .to the ends of ay similarcross-:bar, `V', whichv is. loosely'suppor-tedf by` ashoulden of the ymain-valvestem Hl above `the'rsleeve'` hiff .The operationbf the injector, 1asfdescribed,,

iS aS fOllWS.: lWhen the injector isfnot in use,

the stemV H2, is screwedvdown byfmeans of its rhandleh', so that the valve. Hi is `seatedupon the seatfi, .and thus communication from. the steam branch B is cut off from theinterior of the main casing andi 'from the steanrpassage C.; At the same. time the valvel Lis lowered: and restsupon the Aseat Z," the head'or shoulder-at` v the upper end'ofv the stem Z standing clearof valvell is on its seat. i

the same plugi'l, andat the upper en'dfof the socket 'lhevalveP is-loweredz from :its seat, and as this valve supports the combined injector-nozzleand by-pass valve-N the valve N willalso be lowered from its seat, and there will be a vfree communication from the branch; D to the'casing A2, around the injector-:nozzle N,Land between its wings n. .Itwill beunder-l." 'stood .that the rods 'u t are so-:adjustedlas to' force: the valve-stern P ldown and. carry? .the valves P and `N off their seats when thevmainf Now; when 'it; .-is dei sired -to start the injector to work, thefstem' is turned partially, soias to raise the valve? Hf lfrom lits seat, but not sufficiently tocausethej valve L to be raised,.as it-will be remembered that the `plugv K :has .ashort supwardr iplay lon, said stem without striking its head. The valve H being lthus raised,l steam williiow from the l -lbranch B' through the passage z', .andi thence -through the passage C, nippleRandmozzle G, creating a `lifting exhaust in 2the2Water-sup-j plypipewhich is connected'V to:` branchE, so that water will :befraised through" such'. pipe and fiiow; through' the nozzle G, passage D,"

around the :inj ector-nozzle andvalveN, to the casing A2, and .thence through the'portinspar-y tition p. and off through the overlowloutletv R; As soon as the water appears in sufficient volume at the overflow-outlet the mainstem H is screwed up high enough to lift the valve L from its seat and cause the rods o n to lift the valves P and N, the valve N being adjusted to rst reach its seat, so that the overflow will not be closed until the passagearound the injector-nozzle is closed and thesteam-supply to said nozzle is established. Then the main volume of steam will rush through the steam-nozzle M and the injector-nozzle, forcing the water also through the inj ector-nozzle, as the wah ter around said nozzle has been cut off by the seating of valve N. As the valve P has been also seated, the steam and water entering the Hglobe-casing A2 have no passage to the overiiow, and therefore pass through the :branchS Yto" the feed-.pipe connected thereto,1andreach f 'thelboiler after passing the `usual che'ckvalve, ='withiwhich the feed1-pipe lis supported.

HItuwillnow be seen' that the entire-:adjustnment of the valves and regulation lof v'theifeed :is accomplished byl the manipi-llationofasin- 'gle.handle,1which is attached to the `main-valve lstem.

In Fig. 5 the injector-nozzle N2 is heidi-rig- -1idly in position bymeans ofa flange, a2, which :lislheldbetweenthe'lower edgeY of:-the1=1nain p lv-casing: and .the luppery edge of thel globeecasing Ah Int' this fiiange 1 are fa series 'of :perforai tions, Las shown Yatn, and around the nipple'n sis-anat. ring or i valve,=n4,which= is-arranged :to closethes perforationswin theuilange. l'llhis ring rests 'uponaeollar, o2, formedon theloop O, and arranged to 'play :looselyv on the `.nipple seat the f l'loop-willi rise and force the ringenL lagainst theiunder side `of Ithelilange n2. and;v close the periorations in' the --same,-so as to cutoff `Nihen `thisfmo died formofinj ectorsnozzle and `by-passvalve is used, the other lparts-gw'ill: be

- the same as already described.

Havingifullydescribedmy invention, what I claim as new, and desire to secure by Letters i 1.? In, an injector, the combination, with the i :main valve controlling Vthe steam-supply passage, :of ai vloosely-attached valve controlling. the .passage of steam to the inj ector-or combining-tube, a `by-pass Valve controlling thepassage f of. water around the injector `dischargeffnozzle, L an overilow-valve, `and suitable inter-4 mediate connections,fwhereby all'ofsaid valves umay llbe 'operated by themanipulationA :of` the main valve, substantially'Y as described.

X2; The combination, with .the-fmain valve,

. the .lifting-j et devices, 1 and thez valve-"loosely 1attached tothe .main valve `for controlling the @flow of' steam to the inj ectorfdischarge-lnozzle, lfofa by-*passvalve arranged -to control theow ofawater aroundsaidinj ector dischargenozzle, LandHi suitable connection between'f'the "fmain VIwfalve l and? bjr-pass valve, by .means1ofmf-hch thesl'a'tter may' beV operatedl' .by theimovement fgthetmain valve, substantially-1asid'escribed.

3. The combination, with the main Valve IOO rio

and the loosely-attached valve for controlling the flow of steam to the injector dischargenozzle, of an overioW-valve connected with the main valve for operation thereby, substantially as described.

4. In an injector2 theconibination, with the water and stealn supply passages and injector discharge-nozzle, of a bjr-pass valve arranged tov control the dow of Water around the inject- Jr-nozzle and an overHoW-Valve connected `with said bypass Valve and arranged toeoperate the same, substantially as set forth.

5. In an injector, the combination, with the main casingjand main Water-passage, of the injector discharge-nozzle having a Water-passage around it, and carrying a Valve for closing` said passage, substantially as described.

6. The combination, with the main valve for controlling the passage of steam to the interior of the main easing, the nj ector discharge-nozzle or combining-tube, and a valve for oontrolling the iioW of steam to the said injector iieation in the presen-ce of two subscribing Witnesses. w y

ALBERT S. EBERMAN.

0 ,Vitnesses:

j G. D. SEYMOUR,

S. G. NOTTINGHAM. 

